Home / 48,616.84-72,896.07-18,999.37

Finding the Fourth Proportional to 48,616.84, 72,896.07 and 18,999.37

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Solution

The fourth proportional to 48,616.84, 72,896.07 and 18,999.37 is: 28,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,616.84 : 72,896.07 = 18,999.37 : x
  2. Step 2: Convert to fraction form
    48,616.84/72,896.07 = 18,999.37/x
  3. Step 3: Cross multiply
    48,616.84x = 72,896.07 × 18,999.37
  4. Step 4: Simplify right side
    48,616.84x = 1,384,979,405.48
  5. Step 5: Solve for x
    x = 1,384,979,405.48/48,616.84
  6. Step 6: Final answer
    x = 28,487.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.